Natural selection at work, almost
Source: Dailymotion
One might expect trouble if you were to jump into a polar bear enclosure but that is exactly what a woman did in a German zoo as she started to swim toward the bears, apparently related but, as soon as she was within striking distance, she was bitten on the arms and legs and mauled by the bears. Keepers tried to distract them as she then hurled herself to the edge of the enclosure and was hauled out before being rushed to the hospital.